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path: root/cmake/FindMsgpack.cmake
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find_path(MSGPACK_INCLUDE_DIR msgpack/version_master.h)

if(MSGPACK_INCLUDE_DIR)
  file(READ ${MSGPACK_INCLUDE_DIR}/msgpack/version_master.h msgpack_version_h)
  string(REGEX REPLACE ".*MSGPACK_VERSION_MAJOR +([0-9]+).*" "\\1" MSGPACK_VERSION_MAJOR "${msgpack_version_h}")
  string(REGEX REPLACE ".*MSGPACK_VERSION_MINOR +([0-9]+).*" "\\1" MSGPACK_VERSION_MINOR "${msgpack_version_h}")
  string(REGEX REPLACE ".*MSGPACK_VERSION_REVISION +([0-9]+).*" "\\1" MSGPACK_VERSION_REVISION "${msgpack_version_h}")
  set(MSGPACK_VERSION_STRING "${MSGPACK_VERSION_MAJOR}.${MSGPACK_VERSION_MINOR}.${MSGPACK_VERSION_REVISION}")
else()
  set(MSGPACK_VERSION_STRING)
endif()

if(MSVC)
  # The import library for the msgpack DLL has a different name
  list(APPEND MSGPACK_NAMES msgpackc_import)
else()
  list(APPEND MSGPACK_NAMES msgpackc msgpack)
endif()

find_library(MSGPACK_LIBRARY NAMES ${MSGPACK_NAMES}
  NAMES_PER_DIR)

mark_as_advanced(MSGPACK_INCLUDE_DIR MSGPACK_LIBRARY)

find_package_handle_standard_args(Msgpack
  REQUIRED_VARS MSGPACK_LIBRARY MSGPACK_INCLUDE_DIR
  VERSION_VAR MSGPACK_VERSION_STRING)

add_library(msgpack INTERFACE)
target_include_directories(msgpack SYSTEM BEFORE INTERFACE ${MSGPACK_INCLUDE_DIR})
target_link_libraries(msgpack INTERFACE ${MSGPACK_LIBRARY})

list(APPEND CMAKE_REQUIRED_INCLUDES "${MSGPACK_INCLUDE_DIR}")
check_c_source_compiles("
#include <msgpack.h>

int
main(void)
{
  return MSGPACK_OBJECT_FLOAT32;
}
" MSGPACK_HAS_FLOAT32)
list(REMOVE_ITEM CMAKE_REQUIRED_INCLUDES "${MSGPACK_INCLUDE_DIR}")
if(MSGPACK_HAS_FLOAT32)
  target_compile_definitions(msgpack INTERFACE NVIM_MSGPACK_HAS_FLOAT32)
endif()